Best Buy: Unit Rates

Front

What is a unit rate?

Back

A unit rate is a comparison of two different quantities where one of the quantities is expressed as one unit. For example, if 4 bananas cost $2, the unit rate is $0.50 per banana.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How do you calculate the unit rate?

Back

To calculate the unit rate, divide the total cost by the number of items. For example, if 8 apples cost $5.20, the unit rate is $5.20 ÷ 8 = $0.65 per apple.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the best deal when comparing prices?

Back

The best deal is the option that offers the lowest price per unit. For example, if 5 kg of rice costs $16.95, you compare it to 0.5 kg at $1.80 to find which has a lower price per kg.

Tags

CCSS.6.RP.A.3B

Front

How do you find the price per ounce?

Back

To find the price per ounce, divide the total price by the number of ounces. For example, if 15 oz of cereal costs $5.85, the price per ounce is $5.85 ÷ 15 = $0.39 per ounce.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the formula for calculating unit price?

Back

Unit Price = Total Price ÷ Number of Units. This helps you determine how much you pay for one unit of an item.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If 6 pencils cost $1.26, what is the cost per pencil?

Back

Cost per pencil = $1.26 ÷ 6 = $0.21 per pencil.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is a better buy: 11 oz for $4.75 or 15 oz for $5.85?

Back

15 oz for $5.85 is a better buy because it has a lower price per ounce.

Tags

CCSS.6.RP.A.3B

Front

How do you compare two different sizes of the same product?

Back

To compare, calculate the price per unit (e.g., per ounce or per item) for each size and see which one is cheaper.

Tags

CCSS.6.RP.A.3B

Front

What does it mean if an item has a lower unit price?

Back

A lower unit price means you are paying less for each individual item, making it a better deal.

Tags

CCSS.6.RP.A.3A

Front

If 4 pounds of bananas cost $6, what is the cost per pound?

Back

Cost per pound = $6 ÷ 4 = $1.50 per pound.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2